Thought the Make magazine 2015 printer review gave B9 somewhat less than fair treatment. Was going to post this Rook on Thingiverse but couldn't log in for a couple of days and gave up. This is not as nice as Mike's posted there.
For an upcoming trade show we made some sample rings in Cherry at 30 xyz (shown), Red 50 and 70 xyz as well as a voronoi sphere with the ring hanging from a torus at 70 xyz.
Recycled resins, default settings on the 1.2 (except MSM=0.8) with sw 1.7.3.